*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

    :root {
      --bg: #09090b;
      --bg-raised: #18181b;
      --bg-card: #18181b;
      --border: #27272a;
      --border-light: #3f3f46;
      --text: #fafafa;
      --text-muted: #a1a1aa;
      --text-dim: #71717a;
      --indigo: #818cf8;
      --indigo-light: #818cf8;
      --blue: #3b82f6;
      --green: #22c55e;
      --orange: #f97316;
      --red: #ef4444;
      --cyan: #06b6d4;
      --purple: #a855f7;
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: 'Geist', -apple-system, BlinkMacSystemFont, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: clip;
    }

    .mono { font-family: 'Geist Mono', 'JetBrains Mono', 'Cascadia Code', monospace; }

    a { color: var(--indigo-light); text-decoration: none; }
    a:hover { text-decoration: underline; }

    .container {
      max-width: 1100px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ─── Nav ──────────────────────────────── */
    nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 100;
      background: rgba(9, 9, 11, 0.85);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
    }
    nav .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 60px;
    }
    nav .logo {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    nav .logo img { height: 32px; }
    nav .logo span {
      font-weight: 700;
      font-size: 1.1rem;
      letter-spacing: -0.02em;
    }
    nav .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    nav .nav-links a {
      color: var(--text-muted);
      font-size: 0.875rem;
      font-weight: 500;
      transition: color 0.15s;
    }
    nav .nav-links a:hover { color: var(--text); text-decoration: none; }
    /* Hamburger button */
    .hamburger {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
      color: var(--text-muted);
    }
    .hamburger svg { display: block; }

    /* Mobile drawer */
    .mobile-drawer-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.5);
      z-index: 200;
      opacity: 0;
      transition: opacity 0.25s;
    }
    .mobile-drawer-overlay.open {
      opacity: 1;
    }
    .mobile-drawer {
      position: fixed;
      top: 0;
      right: 0;
      bottom: 0;
      width: 280px;
      max-width: 80vw;
      background: var(--bg);
      border-left: 1px solid var(--border);
      z-index: 201;
      transform: translateX(100%);
      transition: transform 0.25s ease;
      display: flex;
      flex-direction: column;
      overflow-y: auto;
    }
    .mobile-drawer.open {
      transform: translateX(0);
    }
    .mobile-drawer-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px 20px;
      border-bottom: 1px solid var(--border);
    }
    .mobile-drawer-header span {
      font-weight: 700;
      font-size: 1rem;
    }
    .mobile-drawer-close {
      background: none;
      border: none;
      cursor: pointer;
      color: var(--text-muted);
      padding: 4px;
    }
    .mobile-drawer-close svg { display: block; }
    .mobile-drawer-links {
      list-style: none;
      padding: 12px 0;
      flex: 1;
    }
    .mobile-drawer-links li {
      border-bottom: 1px solid var(--border);
    }
    .mobile-drawer-links a {
      display: block;
      padding: 14px 20px;
      color: var(--text-muted);
      font-size: 0.95rem;
      font-weight: 500;
      transition: color 0.15s, background 0.15s;
    }
    .mobile-drawer-links a:hover {
      color: var(--text);
      background: var(--bg-raised);
      text-decoration: none;
    }
    .mobile-drawer-footer {
      padding: 16px 20px;
      border-top: 1px solid var(--border);
    }
    .mobile-drawer-footer .btn {
      width: 100%;
      justify-content: center;
    }

    @media (max-width: 768px) {
      nav .nav-links { display: none; }
      .hamburger { display: block; }
      .mobile-drawer-overlay { display: block; pointer-events: none; }
      .mobile-drawer-overlay.open { pointer-events: auto; }
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 20px;
      border-radius: 8px;
      font-size: 0.875rem;
      font-weight: 600;
      border: none;
      cursor: pointer;
      transition: all 0.15s;
      text-decoration: none;
    }
    .btn:hover { text-decoration: none; }
    .btn-primary {
      background: #6366f1;
      color: white;
    }
    .btn-primary:hover { background: #4f46e5; }
    .btn-secondary {
      background: var(--bg-raised);
      color: var(--text);
      border: 1px solid var(--border);
    }
    .btn-secondary:hover { border-color: var(--border-light); background: #222225; }
    .btn-sm { padding: 8px 16px; font-size: 0.8125rem; }

    /* ─── Hero ─────────────────────────────── */
    .hero {
      padding: 130px 0 64px;
      text-align: center;
    }
    .hero-logo {
      width: 200px;
      margin: 0 auto 28px;
    }
    .hero h1 {
      font-size: clamp(2rem, 5vw, 3.2rem);
      font-weight: 800;
      letter-spacing: -0.03em;
      line-height: 1.15;
      margin-bottom: 20px;
    }
    .hero h1 .gradient {
      background: linear-gradient(135deg, #a5b4fc, #67e8f9);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .hero p {
      font-size: 1.125rem;
      color: var(--text-muted);
      max-width: 580px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }
    .hero-buttons {
      display: flex;
      gap: 12px;
      justify-content: center;
      flex-wrap: wrap;
    }
    /* ─── Terminal mockup ──────────────────── */
    .terminal-section {
      padding: 40px 0 100px;
    }
    .terminal-window {
      background: #0a0a0a;
      border: 1px solid var(--border);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 25px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(99,102,241,0.1);
    }
    .terminal-titlebar {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 12px 16px;
      background: var(--bg-raised);
      border-bottom: 1px solid var(--border);
    }
    .terminal-dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
    }
    .terminal-titlebar-text {
      flex: 1;
      text-align: center;
      font-size: 0.75rem;
      color: var(--text-dim);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .terminal-body {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2px;
      background: var(--border);
      min-height: 280px;
    }
    .terminal-pane {
      background: #0a0a0a;
      padding: 0;
      display: flex;
      flex-direction: column;
      min-width: 0;
    }
    .pane-header {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px 12px;
      font-size: 0.7rem;
      font-weight: 600;
    }
    .pane-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
    }
    .pane-content {
      padding: 12px 14px;
      font-family: 'Geist Mono', 'JetBrains Mono', monospace;
      font-size: 0.72rem;
      line-height: 1.7;
      flex: 1;
      color: #a1a1aa;
      overflow-x: hidden;
    }
    .pane-content .prompt { color: var(--green); }
    .pane-content .cmd { color: var(--text); }
    .pane-content .output { color: #71717a; }
    .pane-content .accent { color: var(--indigo-light); }
    .pane-content .warn { color: var(--orange); }
    .pane-content .info { color: var(--cyan); }

    @media (max-width: 640px) {
      .terminal-body { grid-template-columns: 1fr; }
    }

    /* ─── Features ─────────────────────────── */
    .features {
      padding: 72px 0;
    }
    .section-label {
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--indigo-light);
      margin-bottom: 12px;
    }
    .section-title {
      font-size: clamp(1.5rem, 3vw, 2.2rem);
      font-weight: 700;
      letter-spacing: -0.02em;
      margin-bottom: 16px;
    }
    .section-desc {
      color: var(--text-muted);
      max-width: 560px;
      margin-bottom: 48px;
    }
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    @media (max-width: 768px) {
      .features-grid { grid-template-columns: 1fr; }
    }
    .feature-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 28px;
      transition: border-color 0.2s;
    }
    .feature-card:hover { border-color: var(--border-light); }
    .feature-icon {
      width: 40px;
      height: 40px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
      font-size: 1.1rem;
    }
    .feature-card h3 {
      font-size: 0.95rem;
      font-weight: 600;
      margin-bottom: 8px;
    }
    .feature-card p {
      font-size: 0.8125rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* ─── Agents ────────────────────────────── */
    .agents {
      padding: 72px 0;
      border-top: 1px solid var(--border);
    }
    .agents-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    @media (max-width: 768px) {
      .agents-grid { grid-template-columns: 1fr; }
    }
    .agent-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 24px;
      text-align: left;
      transition: border-color 0.2s;
    }
    .agent-card:hover { border-color: var(--border-light); }
    .agent-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      margin-bottom: 12px;
    }
    .agent-card h4 {
      font-size: 0.95rem;
      font-weight: 600;
      margin-bottom: 6px;
    }
    .agent-card p {
      font-size: 0.8125rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* ─── Deploy ────────────────────────────── */
    .deploy {
      padding: 72px 0;
      border-top: 1px solid var(--border);
    }
    .deploy-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    @media (max-width: 768px) {
      .deploy-grid { grid-template-columns: 1fr; }
    }
    .deploy-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 28px;
      transition: border-color 0.2s;
    }
    .deploy-card:hover { border-color: var(--border-light); }
    .deploy-card h3 {
      font-size: 0.95rem;
      font-weight: 600;
      margin-bottom: 8px;
    }
    .deploy-card p {
      font-size: 0.8125rem;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .mode-label {
      display: inline-block;
      font-size: 0.7rem;
      font-weight: 600;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      color: var(--indigo-light);
      margin-bottom: 12px;
    }

    /* ─── Multi-User ───────────────────────── */
    .multiuser {
      padding: 72px 0;
      border-top: 1px solid var(--border);
    }
    .multiuser-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    @media (max-width: 768px) {
      .multiuser-grid { grid-template-columns: 1fr; }
    }
    .multiuser-grid .deploy-card h3 {
      font-size: 0.95rem;
      font-weight: 600;
      margin-bottom: 8px;
    }
    .multiuser-grid .deploy-card p {
      font-size: 0.8125rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* ─── Federation ──────────────────────── */
    @keyframes fed-glow-pulse {
      0%, 100% { opacity: 0.35; }
      50% { opacity: 0.55; }
    }

    .federation {
      padding: 100px 0 80px;
      position: relative;
      overflow: hidden;
      border-top: 1px solid var(--border);
    }
    .federation-glow {
      position: absolute;
      top: -100px;
      left: 50%;
      transform: translateX(-50%);
      width: 900px;
      height: 600px;
      background: radial-gradient(ellipse at center, rgba(99,102,241,0.12) 0%, rgba(168,85,247,0.08) 30%, rgba(6,182,212,0.06) 60%, transparent 80%);
      pointer-events: none;
      animation: fed-glow-pulse 6s ease-in-out infinite;
    }
    .fed-showcase {
      margin-top: 48px;
    }
    .fed-showcase-item {
      margin-bottom: 64px;
    }
    .fed-showcase-item:last-child {
      margin-bottom: 0;
    }
    .fed-showcase-header {
      display: flex;
      align-items: baseline;
      gap: 12px;
      margin-bottom: 12px;
      flex-wrap: wrap;
    }
    .fed-showcase-header h3 {
      font-size: 1.2rem;
      font-weight: 700;
      letter-spacing: -0.02em;
    }
    .fed-showcase-header .tag {
      font-size: 0.7rem;
      font-weight: 600;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      padding: 3px 10px;
      border-radius: 20px;
    }
    .fed-showcase-desc {
      color: var(--text-muted);
      font-size: 0.9375rem;
      line-height: 1.7;
      max-width: 700px;
      margin-bottom: 24px;
    }
    .fed-showcase-img {
      width: 100%;
      border-radius: 12px;
      border: 1px solid var(--border);
      box-shadow: 0 25px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(99,102,241,0.1);
      display: block;
    }

    .fed-scenarios {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 56px;
    }
    .fed-scenario-card {
      background: linear-gradient(135deg, rgba(24,24,27,1) 0%, rgba(24,24,27,0.8) 100%);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 32px;
      transition: border-color 0.2s;
      position: relative;
      overflow: hidden;
    }
    .fed-scenario-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: linear-gradient(90deg, var(--cyan), var(--indigo), var(--purple));
      opacity: 0;
      transition: opacity 0.2s;
    }
    .fed-scenario-card:hover { border-color: var(--border-light); }
    .fed-scenario-card:hover::before { opacity: 1; }
    .fed-scenario-card h3 {
      font-size: 0.95rem;
      font-weight: 600;
      margin-bottom: 10px;
      color: var(--text);
    }
    .fed-scenario-card p {
      font-size: 0.8125rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .fed-scenario-quote {
      font-family: 'Geist Mono', monospace;
      font-size: 0.7rem;
      line-height: 1.6;
      padding: 10px 14px;
      background: rgba(6,182,212,0.06);
      border: 1px solid rgba(6,182,212,0.15);
      border-radius: 6px;
      color: var(--cyan);
    }

    .fed-features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-top: 56px;
    }

    .fed-cta {
      text-align: center;
      margin-top: 64px;
      padding-top: 48px;
      border-top: 1px solid var(--border);
    }
    .fed-cta h3 {
      font-size: clamp(1.3rem, 2.5vw, 1.8rem);
      font-weight: 700;
      letter-spacing: -0.02em;
      margin-bottom: 12px;
    }
    .fed-cta p {
      color: var(--text-muted);
      margin-bottom: 24px;
      font-size: 0.9375rem;
    }
    .fed-cta-buttons {
      display: flex;
      gap: 12px;
      justify-content: center;
      flex-wrap: wrap;
    }

    @media (max-width: 768px) {
      .fed-scenarios { grid-template-columns: 1fr; }
      .fed-features-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 640px) {
      .federation { padding: 64px 0 56px; }
    }

    /* ─── Mobile showcase ──────────────────── */
    .mobile-callout {
      padding: 100px 0 80px;
      border-top: 1px solid var(--border);
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .mobile-callout h2 {
      font-size: clamp(1.5rem, 3vw, 2.2rem);
      font-weight: 700;
      letter-spacing: -0.02em;
      margin-bottom: 12px;
    }
    .mobile-callout p.section-desc {
      color: var(--text-muted);
      max-width: 520px;
      margin: 0 auto 56px;
      font-size: 0.9375rem;
      line-height: 1.7;
    }

    .mobile-glow {
      position: absolute;
      top: -80px;
      left: 50%;
      transform: translateX(-50%);
      width: 900px;
      height: 600px;
      background: radial-gradient(ellipse at center, rgba(34,197,94,0.10) 0%, rgba(16,185,129,0.07) 30%, rgba(6,182,212,0.05) 60%, transparent 80%);
      pointer-events: none;
      animation: fed-glow-pulse 6s ease-in-out infinite;
    }

    .mobile-showcase {
      display: flex;
      align-items: flex-end;
      justify-content: center;
      gap: 40px;
      position: relative;
      z-index: 1;
    }
    .mobile-showcase-item {
      display: flex;
      flex-direction: column;
      align-items: center;
    }
    .mobile-showcase-featured {
      margin-bottom: 20px;
    }
    .mobile-showcase-label {
      margin-top: 20px;
      text-align: center;
    }
    .mobile-showcase-label h3 {
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 4px;
    }
    .mobile-showcase-label p {
      font-size: 0.8rem;
      color: var(--text-dim);
      line-height: 1.5;
    }

    /* Phone frame (pure CSS) */
    .phone-frame {
      width: 220px;
      aspect-ratio: 375 / 812;
      background: linear-gradient(145deg, #1a1a1e, #0e0e10);
      border-radius: 36px;
      padding: 10px;
      border: 1px solid #2a2a2e;
      box-shadow:
        0 25px 60px rgba(0,0,0,0.6),
        0 0 0 1px rgba(34,197,94,0.06),
        inset 0 1px 0 rgba(255,255,255,0.04);
      position: relative;
      flex-shrink: 0;
    }
    .phone-frame::before {
      content: '';
      position: absolute;
      top: 10px;
      left: 50%;
      transform: translateX(-50%);
      width: 70px;
      height: 20px;
      background: #09090b;
      border-radius: 12px;
      z-index: 2;
    }
    .phone-frame img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: top;
      border-radius: 28px;
      display: block;
    }

    /* Featured phone (center, larger) */
    .phone-frame-lg {
      width: 280px;
      border-radius: 44px;
      padding: 14px;
      box-shadow:
        0 35px 80px rgba(0,0,0,0.7),
        0 0 0 1px rgba(34,197,94,0.08),
        0 0 40px rgba(34,197,94,0.06),
        inset 0 1px 0 rgba(255,255,255,0.05);
    }
    .phone-frame-lg::before {
      width: 90px;
      height: 24px;
      top: 14px;
      border-radius: 14px;
    }
    .phone-frame-lg img {
      border-radius: 34px;
    }

    @media (max-width: 900px) {
      .mobile-showcase {
        flex-direction: column;
        align-items: center;
        gap: 32px;
      }
      .mobile-showcase-featured {
        order: -1;
        margin-bottom: 0;
      }
      .phone-frame { width: 240px; }
      .phone-frame-lg { width: 260px; }
    }
    @media (max-width: 640px) {
      .mobile-callout { padding: 64px 0 56px; }
      .mobile-callout p.section-desc { margin-bottom: 40px; }
      .phone-frame { width: 200px; border-radius: 30px; padding: 8px; }
      .phone-frame::before { width: 60px; height: 17px; top: 8px; }
      .phone-frame img { border-radius: 24px; }
      .phone-frame-lg { width: 220px; border-radius: 36px; padding: 10px; }
      .phone-frame-lg::before { width: 75px; height: 20px; top: 10px; }
      .phone-frame-lg img { border-radius: 28px; }
    }

    /* ─── Use Cases ─────────────────────────── */
    .usecases {
      padding: 72px 0;
      border-top: 1px solid var(--border);
    }
    .usecases .terminal-window {
      max-width: 900px;
    }
    .usecase-quote {
      font-family: 'Geist Mono', monospace;
      font-size: 0.7rem;
      line-height: 1.6;
      padding: 10px 14px;
      background: rgba(249,115,22,0.06);
      border: 1px solid rgba(249,115,22,0.15);
      border-radius: 6px;
      color: var(--orange);
    }

    /* ─── How it works ──────────────────────── */
    .how {
      padding: 72px 0;
      border-top: 1px solid var(--border);
    }
    .steps {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 48px;
    }
    @media (max-width: 768px) {
      .steps { grid-template-columns: 1fr; }
    }
    .step {
      position: relative;
      padding: 24px;
    }
    .step-number {
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--border);
      line-height: 1;
      margin-bottom: 12px;
    }
    .step h3 {
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 8px;
    }
    .step p {
      font-size: 0.8125rem;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .step code {
      display: block;
      margin-top: 12px;
      padding: 10px 14px;
      background: var(--bg-raised);
      border: 1px solid var(--border);
      border-radius: 6px;
      font-family: 'Geist Mono', 'JetBrains Mono', monospace;
      font-size: 0.75rem;
      color: var(--green);
      white-space: nowrap;
      overflow-x: auto;
    }

    /* ─── CTA ──────────────────────────────── */
    .cta {
      padding: 100px 0;
      text-align: center;
      border-top: 1px solid var(--border);
    }
    .cta h2 {
      font-size: clamp(1.5rem, 3vw, 2.2rem);
      font-weight: 700;
      margin-bottom: 16px;
      letter-spacing: -0.02em;
    }
    .cta p {
      color: var(--text-muted);
      margin-bottom: 32px;
      max-width: 480px;
      margin-left: auto;
      margin-right: auto;
    }
    .cta-buttons {
      display: flex;
      gap: 12px;
      justify-content: center;
      flex-wrap: wrap;
    }

    /* ─── Footer ───────────────────────────── */
    footer {
      border-top: 1px solid var(--border);
      padding: 32px 0;
    }
    footer .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    footer .left {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.8125rem;
      color: var(--text-dim);
    }
    footer .left img { height: 20px; }
    footer .right {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
    }
    footer .right a {
      font-size: 0.8125rem;
      color: var(--text-dim);
    }
    footer .right a:hover { color: var(--text-muted); }
    @media (max-width: 640px) {
      footer .container {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
      }
      footer .right { gap: 12px 16px; }
    }

    /* ─── SVG icons ────────────────────────── */
    .icon-svg {
      width: 18px;
      height: 18px;
    }
    .icon-svg-sm {
      width: 16px;
      height: 16px;
    }

    @keyframes blink {
      0%, 50% { opacity: 1; }
      51%, 100% { opacity: 0; }
    }

    /* ─── Demo trigger ────────────────────── */
    .demo-trigger { cursor: zoom-in; }

    /* ─── Blog listing ────────────────────── */
    .blog-listing {
      padding: 200px 0 72px;
    }
    .blog-grid {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .blog-card {
      display: block;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 28px;
      transition: border-color 0.2s;
      color: var(--text);
      text-decoration: none;
    }
    .blog-card:hover { border-color: var(--border-light); text-decoration: none; }
    .blog-card h3 {
      font-size: 1.05rem;
      font-weight: 600;
      margin-bottom: 8px;
    }
    .blog-card p {
      font-size: 0.8125rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 10px;
    }
    .blog-card-meta {
      font-size: 0.75rem;
      color: var(--text-dim);
    }
    .blog-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 10px;
    }
    .blog-tag {
      font-size: 0.7rem;
      font-weight: 600;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      padding: 3px 10px;
      border-radius: 20px;
      background: rgba(99,102,241,0.12);
      color: var(--indigo-light);
      border: 1px solid rgba(99,102,241,0.25);
    }

    /* ─── Blog article ────────────────────── */
    .blog-article {
      padding: 200px 0 72px;
    }
    .blog-container {
      max-width: 720px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .blog-back {
      display: inline-block;
      font-size: 0.8125rem;
      color: var(--text-muted);
      margin-bottom: 28px;
    }
    .blog-back:hover { color: var(--text); }
    .blog-header {
      margin-bottom: 48px;
      padding-bottom: 40px;
      border-bottom: 1px solid var(--border);
    }
    .blog-header h1 {
      font-size: clamp(1.75rem, 4vw, 2.6rem);
      font-weight: 800;
      letter-spacing: -0.03em;
      line-height: 1.15;
      margin-bottom: 20px;
      color: var(--text);
    }

    .blog-header-desc {
      font-size: 1.125rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
      max-width: 600px;
    }
    .blog-header .blog-tags {
      margin-bottom: 16px;
    }
    .blog-header .blog-card-meta {
      font-size: 0.8125rem;
      color: var(--text-muted);
    }
    .blog-footer {
      margin-top: 64px;
      padding-top: 32px;
      border-top: 1px solid var(--border);
    }

    /* ─── Blog card improvements ──────────── */
    .blog-card {
      display: block;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 32px;
      transition: border-color 0.2s, transform 0.2s;
      color: var(--text);
      text-decoration: none;
    }
    .blog-card:hover {
      border-color: var(--indigo-light);
      transform: translateY(-2px);
    }
    .blog-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.3;
    }
    .blog-card p {
      color: var(--text-muted);
      font-size: 0.9375rem;
      line-height: 1.6;
      margin-bottom: 14px;
    }
    .blog-grid {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    /* ─── Blog prose ──────────────────────── */
    .blog-content.prose h2 {
      font-size: 1.5rem;
      font-weight: 700;
      letter-spacing: -0.02em;
      margin: 56px 0 20px;
      padding-top: 32px;
      border-top: 1px solid var(--border);
    }
    .blog-content.prose h2:first-child {
      border-top: none;
      padding-top: 0;
      margin-top: 0;
    }
    .blog-content.prose h3 {
      font-size: 1.1rem;
      font-weight: 600;
      margin: 32px 0 12px;
    }
    .blog-content.prose p {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.85;
      margin-bottom: 24px;
    }
    .blog-content.prose > p:first-child {
      font-size: 1.125rem;
      line-height: 1.75;
      color: var(--text);
    }
    .blog-content.prose a {
      color: var(--indigo-light);
    }
    .blog-content.prose strong {
      color: var(--text);
      font-weight: 600;
    }
    .blog-content.prose ul,
    .blog-content.prose ol {
      margin: 0 0 28px 24px;
      color: var(--text-muted);
      font-size: 1rem;
      line-height: 1.85;
    }
    .blog-content.prose li {
      margin-bottom: 10px;
    }
    .blog-content.prose code {
      font-family: 'Geist Mono', 'JetBrains Mono', monospace;
      font-size: 0.85em;
      background: var(--bg-raised);
      border: 1px solid var(--border);
      border-radius: 4px;
      padding: 2px 6px;
    }
    .blog-content.prose pre {
      background: var(--bg-raised);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 24px;
      overflow-x: auto;
      margin: 32px 0;
    }
    .blog-content.prose pre code {
      background: none;
      border: none;
      padding: 0;
      font-size: 0.8125rem;
      line-height: 1.7;
      color: var(--text-muted);
    }
    .blog-content.prose blockquote {
      border-left: 3px solid var(--indigo-light);
      padding: 16px 0 16px 24px;
      margin: 32px 0;
      color: var(--text-muted);
      font-style: italic;
      background: rgba(99, 102, 241, 0.04);
      border-radius: 0 8px 8px 0;
    }
    .blog-content.prose img {
      max-width: 100%;
      border-radius: 8px;
      margin: 24px 0;
    }
    .blog-content.prose table {
      width: 100%;
      border-collapse: collapse;
      margin-bottom: 24px;
      font-size: 0.875rem;
    }
    .blog-content.prose th,
    .blog-content.prose td {
      text-align: left;
      padding: 10px 14px;
      border-bottom: 1px solid var(--border);
    }
    .blog-content.prose th {
      font-weight: 600;
      color: var(--text);
    }
    .blog-content.prose td {
      color: var(--text-muted);
    }
    .blog-content.prose hr {
      border: none;
      border-top: 1px solid var(--border);
      margin: 40px 0;
    }

    /* ─── Blog preview section (homepage) ──── */
    .blog-preview {
      padding: 72px 0;
      border-top: 1px solid var(--border);
    }
    .blog-preview-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    @media (max-width: 768px) {
      .blog-listing { padding: 180px 0 56px; }
      .blog-article { padding: 180px 0 56px; }
      .blog-preview-grid { grid-template-columns: 1fr; }
    }